Entryphone display system

摘要

The system includes a graphic display having the size of the entire display system. The display has a touch sensitive screen. Preferably, the display system is coupled with a bus controlled door opener. The display system is connected to a transponder reader which evaluates without any contact the attendance and the access authorisation of persons. The display system is coupled to an infrared transmitter included in one or several flat stations. The infrared transmitter triggers a bell for deaf people. The display system is coupled with at least one flat station and can output acoustic call signals.